Finding the Fourth Proportional to 4,978.46, 7,462.45 and 2,508.09

Step by Step Solution

1. Step 1: Write the proportion equation
   4,978.46 : 7,462.45 = 2,508.09 : x
2. Step 2: Convert to fraction form
   4,978.46/7,462.45 = 2,508.09/x
3. Step 3: Cross multiply
   4,978.46x = 7,462.45 × 2,508.09
4. Step 4: Simplify right side
   4,978.46x = 18,716,496.22
5. Step 5: Solve for x
   x = 18,716,496.22/4,978.46
6. Step 6: Final answer
   x = 3,759.50